Ronald Winston Barnes (1 January 1941 – 13 December 2002) was a professional tennis player from Brazil who competed in the 1950s and 1960s. Barnes reached the semifinals of the U.S. National Championships in 1963 (and the quarterfinals in 1967) and the quarterfinals of Roland Garros in 1964. References External links Brazilian male tennis players Sportspeople from Rio de Janeiro (city) Tennis players at the 1963 Pan American Games Pan American Games medalists in tennis 1941 births 2002 deaths Pan American Games gold medalists for Brazil Tennis players at the 1967 Pan American Games